condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.017398 0.0 0.034796 8 h after light 0.0 0.0 0.0 12 h after light 0.051592 0.0 0.103184 2 h after dark 0.019166 0.0 0.038332 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0